| Test | [DirectSound] Headphones (4- Xonar U7) | [DirectSound] Speaker (Sound Blaster Omni Surround 5.1) | [DirectSound] Speakers (Realtek High Definition Audio) |
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.18, -0.10 | +0.17, -0.30 | +0.60, -0.26 |
| Noise level, dB (A): | -73.4 | -93.1 | -75.2 |
| Dynamic range, dB (A): | 74.0 | 93.2 | 75.7 |
| THD, %: | 0.021 | 0.0016 | 0.024 |
| IMD + Noise, %: | 0.066 | 0.043 | 0.212 |
| Stereo crosstalk, dB: | -78.2 | -87.2 | -77.3 |
